20422+5020

  • Unique Name: 20422+5020BU 675AD
  • RA: 20 42 12.63
  • Dec: +50 20 24.1
  • Discoverer: BU
  • Discoverer Number: 675
  • Components: AD
  • First year: 1878
  • Last year: 2013
  • Observations: 9
  • First position angle: 328
  • Last position angle: 329
  • First separation: 32.9
  • Last separation: 33.1
  • Mag first component: 5.38
  • Mag second component: 11.4
  • Spectral type: B2V
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 2
  • Secondary proper motion RA: 9
  • Secondary proper motion DEC: 5
  • Durchmusterung:
  • Notes: N